If Mox Diamond would enter, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard.: Add one mana of any color.
, Sacrifice Memory Jar: Each player exiles all cards from their hand face down and draws seven cards. At the beginning of the next end step, each player discards their hand and returns to their hand each card they exiled this way.
Imprint — When Isochron Scepter enters, you may exile an instant card with mana value 2 or less from your hand., : You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.
Whenever Karn, Silver Golem blocks or becomes blocked, it gets -4/+4 until end of turn.: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn.
Equipped creature gets +2/+2 and has protection from green and from blue.Whenever equipped creature deals combat damage to a player, you create a 2/2 green Wolf creature token and that player mills ten cards.Equip
At the beginning of your upkeep, you may put a charge counter on Aether Vial.: You may put a creature card with mana value equal to the number of charge counters on Aether Vial from your hand onto the battlefield.
As Black Vise enters, choose an opponent.At the beginning of the chosen player's upkeep, Black Vise deals X damage to that player, where X is the number of cards in their hand minus 4.
